Definition of agate noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈæɡət//
; NAmE NAmE//ˈæɡət//
[uncountable, countable]
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a hard stone with bands or areas of colour, used in jewellery Word Origin late 15th cent.: from French, via Latin from Greek akhatēs.
See the Oxford Advanced American Dictionary entry: agate